<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<script src='../js/ifTest4.js'></script>
</head>
<body>
<form method='post'action=""name='frm'>
<input type="text"name='jum1'>
<!--  <select name='op' width='30px'>
<option>-</option>
<option>+</option>
<option>/</option>
<option>*</option>
</select>-->
<input type="text"name='jum2'>
<input type="button"id='btn'value='계산기나써병신아'>
<label>+</label><input type="radio"name='op'value='+'>
<label>-</label><input type="radio"name='op'value='-'>
<label>*</label><input type="radio"name='op'value='*'>
<label>/</label><input type="radio"name='op'value='/'>
</form>
<script>iftest();</script>
</body>
</html>